CSS height
The CSS height
property is used to set the height of an element. It allows you to control the vertical size of block-level and replaced elements (such as images, videos, and form elements) within your web page.
The height
property can take various values, including fixed lengths (e.g., pixels, ems), percentages, and other CSS length units.
The syntax for the height
property is as follows:
selector {
height: value;
}
selector
: Represents the CSS class or selector of the element to which the height will be applied.value
: Specifies the height of the element. It can be any valid CSS length unit, such as pixels (px
), ems (em
), percentages (%
), viewport units (vw
orvh
), etc.
Example:
.container {
height: 200px;
}
In this example, all elements with the class .container
will have a fixed height of 200px
.
You can also use percentage values to create flexible and responsive layouts:
.column {
height: 50%;
}
In this example, all elements with the class .column
will occupy 50% of the height of their containing parent, allowing for a flexible and responsive vertical layout.
It’s important to note that the height
property applies only to block-level and replaced elements. Inline-level elements like <span>
do not have a height property, and their height is determined by their content.
Keep in mind that when setting fixed heights, the content within the element might overflow or not fit well on smaller screens. For responsive designs, consider using media queries and relative units (e.g., percentages) to adapt the height of elements based on the screen size.
Using the height
property effectively can help you create visually appealing and responsive web layouts, ensuring that your content looks great on various devices and screen sizes. However, be cautious when using fixed heights, as they can lead to content cutoff or layout issues on different devices and screen resolutions.